function [ xvec ] = vetorizacao( x, w )
    xvec = fftshift(ifft2(fft2(x).*fft2(w)));
% figure, imshow(uint8(Normalizar(conv2(x,w,'same'), 255))), title('conv');
% figure, imshow(uint8(Normalizar(xvec, 255))), title ('fft');
end

